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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tex19.1tm1(rtTA2S*M2,lacZ)Jw
targeted mutation 1, Jeremy Wang
MGI:5140347
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Tex19.1tm1(rtTA2S*M2,lacZ)Jw/Tex19.1tm1(rtTA2S*M2,lacZ)Jw involves: 129S4/SvJae * C57BL/6 MGI:5140348


Genotype
MGI:5140348
hm1
Allelic
Composition
Tex19.1tm1(rtTA2S*M2,lacZ)Jw/Tex19.1tm1(rtTA2S*M2,lacZ)Jw
Genetic
Background
involves: 129S4/SvJae * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tex19.1tm1(rtTA2S*M2,lacZ)Jw mutation (0 available); any Tex19.1 mutation (10 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• significant nreduction in homozygotes identified
• presumed embryonic lethality
• particularly of females

reproductive system
• normal synapses in about 48% of spermatocytes and variable extent to which synapses fail to form in the remaining spermatocytes
• spermatogenesis blocked in meiosis
• abundant zygotene and early pachytene spermatocytes but few post meiotic germ cells
• variable from mouse to mouse and from tubule to tubule
• sharply reduced testis size

endocrine/exocrine glands
• sharply reduced testis size

cellular
• normal synapses in about 48% of spermatocytes and variable extent to which synapses fail to form in the remaining spermatocytes
• spermatogenesis blocked in meiosis
• abundant zygotene and early pachytene spermatocytes but few post meiotic germ cells
• variable from mouse to mouse and from tubule to tubule





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory